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You need PHP $this->minimumPHPVersion or later to install this package but you are currently using PHP $version

"; JLog::add($msg, JLog::WARNING, 'jerror'); return false; } } // Check the minimum Joomla! version if (!empty($this->minimumJoomlaVersion) && !version_compare(JVERSION, $this->minimumJoomlaVersion, 'ge')) { $jVersion = JVERSION; $msg = "

You need Joomla! $this->minimumJoomlaVersion or later to install this package but you only have $jVersion installed.

"; JLog::add($msg, JLog::WARNING, 'jerror'); return false; } // Check the maximum Joomla! version if (!empty($this->maximumJoomlaVersion) && !version_compare(JVERSION, $this->maximumJoomlaVersion, 'le')) { $jVersion = JVERSION; $msg = "

You need Joomla! $this->maximumJoomlaVersion or earlier to install this package but you have $jVersion installed

"; JLog::add($msg, JLog::WARNING, 'jerror'); return false; } // In case of an update, discovery etc I need to check if I am an update if (($type != 'install') && !$this->amIAnUpdate($parent)) { $msg = "

You have a newer version of FOF installed. If you want to downgrade please uninstall FOF and install the older version.

"; JLog::add($msg, JLog::WARNING, 'jerror'); return false; } return true; } /** * Runs after install, update or discover_update. In other words, it executes after Joomla! has finished installing * or updating your component. This is the last chance you've got to perform any additional installations, clean-up, * database updates and similar housekeeping functions. * * @param string $type install, update or discover_update * @param JInstallerAdapterLibrary $parent Parent object */ public function postflight($type, JInstallerAdapterLibrary $parent) { if ($type == 'update') { $this->bugfixFilesNotCopiedOnUpdate($parent); } $this->loadFOF30(); if (!defined('FOF30_INCLUDED')) { return; } // Install or update database $db = JFactory::getDbo(); /** @var JInstaller $grandpa */ $grandpa = $parent->getParent(); $src = $grandpa->getPath('source'); $sqlSource = $src . '/fof/sql'; // If we have an uppercase db prefix we can expect the database update to fail because we cannot detect reliably // the existence of database tables. See https://github.com/joomla/joomla-cms/issues/10928#issuecomment-228549658 $prefix = $db->getPrefix(); $canFail = preg_match('/[A-Z]/', $prefix); try { $dbInstaller = new FOF30\Database\Installer($db, $sqlSource); $dbInstaller->updateSchema(); } catch (\Exception $e) { if (!$canFail) { throw $e; } } // Since we're adding common table, I have to nuke the installer cache, otherwise checks on their existence would fail $dbInstaller->nukeCache(); // Clear the FOF cache $fakeController = \FOF30\Container\Container::getInstance('com_FOOBAR'); $fakeController->platform->clearCache(); } /** * Runs on uninstallation * * @param JInstallerAdapterLibrary $parent The parent object * * @throws RuntimeException If the uninstallation is not allowed */ public function uninstall(JInstallerAdapterLibrary $parent) { // Check dependencies on FOF $dependencyCount = count($this->getDependencies('fof30')); if ($dependencyCount) { $msg = "

You have $dependencyCount extension(s) depending on this version of FOF. The package cannot be uninstalled unless these extensions are uninstalled first.

"; JLog::add($msg, JLog::WARNING, 'jerror'); throw new RuntimeException($msg, 500); } } /** * Is this package an update to the currently installed FOF? If not (we're a downgrade) we will return false * and prevent the installation from going on. * * @param JInstallerAdapterLibrary $parent The parent object * * @return array The installation status */ protected function amIAnUpdate(JInstallerAdapterLibrary $parent) { /** @var JInstaller $grandpa */ $grandpa = $parent->getParent(); $source = $grandpa->getPath('source'); $target = JPATH_LIBRARIES . '/fof30'; // If FOF is not really installed (someone removed the directory instead of uninstalling?) I have to install it. if (!JFolder::exists($target)) { return true; } $fofVersion = array(); if (JFile::exists($target . '/version.txt')) { $rawData = @file_get_contents($target . '/version.txt'); $rawData = ($rawData === false) ? "0.0.0\n2011-01-01\n" : $rawData; $info = explode("\n", $rawData); $fofVersion['installed'] = array( 'version' => trim($info[0]), 'date' => new JDate(trim($info[1])), ); } else { $fofVersion['installed'] = array( 'version' => '0.0', 'date' => new JDate('2011-01-01'), ); } $rawData = @file_get_contents($source . '/version.txt'); $rawData = ($rawData === false) ? "0.0.0\n2011-01-01\n" : $rawData; $info = explode("\n", $rawData); $fofVersion['package'] = array( 'version' => trim($info[0]), 'date' => new JDate(trim($info[1])), ); $haveToInstallFOF = $fofVersion['package']['date']->toUNIX() >= $fofVersion['installed']['date']->toUNIX(); return $haveToInstallFOF; } /** * Loads FOF 3.0 if it's not already loaded */ protected function loadFOF30() { // Load FOF if not already loaded if (!defined('FOF30_INCLUDED')) { $filePath = JPATH_LIBRARIES . '/fof30/include.php'; if (!defined('FOF30_INCLUDED') && file_exists($filePath)) { @include_once $filePath; } } } /** * Get the dependencies for a package from the #__akeeba_common table * * @param string $package The package * * @return array The dependencies */ protected function getDependencies($package) { $db = JFactory::getDbo(); $query = $db->getQuery(true) ->select($db->qn('value')) ->from($db->qn('#__akeeba_common')) ->where($db->qn('key') . ' = ' . $db->q($package)); try { $dependencies = $db->setQuery($query)->loadResult(); $dependencies = json_decode($dependencies, true); if (empty($dependencies)) { $dependencies = array(); } } catch (Exception $e) { $dependencies = array(); } return $dependencies; } /** * Sets the dependencies for a package into the #__akeeba_common table * * @param string $package The package * @param array $dependencies The dependencies list */ protected function setDependencies($package, array $dependencies) { $db = JFactory::getDbo(); $query = $db->getQuery(true) ->delete('#__akeeba_common') ->where($db->qn('key') . ' = ' . $db->q($package)); try { $db->setQuery($query)->execute(); } catch (Exception $e) { // Do nothing if the old key wasn't found } $object = (object) array( 'key' => $package, 'value' => json_encode($dependencies), ); try { $db->insertObject('#__akeeba_common', $object, 'key'); } catch (Exception $e) { // Do nothing if the old key wasn't found } } /** * Adds a package dependency to #__akeeba_common * * @param string $package The package * @param string $dependency The dependency to add */ protected function addDependency($package, $dependency) { $dependencies = $this->getDependencies($package); if (!in_array($dependency, $dependencies)) { $dependencies[] = $dependency; $this->setDependencies($package, $dependencies); } } /** * Removes a package dependency from #__akeeba_common * * @param string $package The package * @param string $dependency The dependency to remove */ protected function removeDependency($package, $dependency) { $dependencies = $this->getDependencies($package); if (in_array($dependency, $dependencies)) { $index = array_search($dependency, $dependencies); unset($dependencies[$index]); $this->setDependencies($package, $dependencies); } } /** * Do I have a dependency for a package in #__akeeba_common * * @param string $package The package * @param string $dependency The dependency to check for * * @return bool */ protected function hasDependency($package, $dependency) { $dependencies = $this->getDependencies($package); return in_array($dependency, $dependencies); } /** * Recursively copy a bunch of files, but only if the source and target file have a different size. * * @param string $source Path to copy FROM * @param string $dest Path to copy TO * * @return void */ protected function recursiveConditionalCopy($source, $dest) { // Make sure source and destination exist if (!@is_dir($source)) { return; } if (!@is_dir($dest)) { if (!@mkdir($dest, 0755)) { JFolder::create($dest, 0755); } } if (!@is_dir($dest)) { $this->log(__CLASS__ . ": Cannot create folder $dest"); return; } // List the contents of the source folder try { $di = new DirectoryIterator($source); } catch (Exception $e) { return; } // Process each entry foreach ($di as $entry) { // Ignore dot dirs (. and ..) if ($entry->isDot()) { continue; } $sourcePath = $entry->getPathname(); $fileName = $entry->getFilename(); // If it's a directory do a recursive copy if ($entry->isDir()) { $this->recursiveConditionalCopy($sourcePath, $dest . DIRECTORY_SEPARATOR . $fileName); continue; } // If it's a file check if it's missing or identical $mustCopy = false; $targetPath = $dest . DIRECTORY_SEPARATOR . $fileName; if (!@is_file($targetPath)) { $mustCopy = true; } else { $sourceSize = @filesize($sourcePath); $targetSize = @filesize($targetPath); $mustCopy = $sourceSize != $targetSize; } if (!$mustCopy) { continue; } if (!@copy($sourcePath, $targetPath)) { if (!JFile::copy($sourcePath, $targetPath)) { $this->log(__CLASS__ . ": Cannot copy $sourcePath to $targetPath"); } } } } /** * Try to log a warning / error with Joomla * * @param string $message The message to write to the log * @param bool $error Is this an error? If not, it's a warning. (default: false) * @param string $category Log category, default jerror * * @return void */ protected function log($message, $error = false, $category = 'jerror') { // Just in case... if (!class_exists('JLog', true)) { return; } $priority = $error ? JLog::ERROR : JLog::WARNING; try { JLog::add($message, $priority, $category); } catch (Exception $e) { // Swallow the exception. } } /** * Fix for Joomla bug: sometimes files are not copied on update. * * We have observed that ever since Joomla! 1.5.5, when Joomla! is performing an extension update some files / * folders are not copied properly. This seems to be a bit random and seems to be more likely to happen the more * added / modified files and folders you have. We are trying to work around it by retrying the copy operation * ourselves WITHOUT going through the manifest, based entirely on the conventions we follow. * * @param \JInstallerAdapterComponent $parent */ protected function bugfixFilesNotCopiedOnUpdate($parent) { $source = $parent->getParent()->getPath('source') . '/fof'; $target = JPATH_LIBRARIES . '/' . $this->libraryFolder; $this->recursiveConditionalCopy($source, $target); } }